CN104046504B - Solar silicon wafers cutting mortar online recycling technique - Google Patents
Solar silicon wafers cutting mortar online recycling technique Download PDFInfo
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- CN104046504B CN104046504B CN201410253489.3A CN201410253489A CN104046504B CN 104046504 B CN104046504 B CN 104046504B CN 201410253489 A CN201410253489 A CN 201410253489A CN 104046504 B CN104046504 B CN 104046504B
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Abstract
The present invention relates to a kind of solar silicon wafers cutting mortar online recycling technique, described technique includes: magma filling and stirring; Allotment is stirred; Heat exchange; Settlement separately obtain solid phase and liquid phase part; Solid fraction is allocated again, be delivered to transferring cylinder after heat exchange; Liquid phase part unified input liquid storage transferring cylinder; By the liquid in liquid storage transferring cylinder after filtration, press filtration, essence filter, add deionized water and stirring, add activated carbon decolorizing, stir in transferring cylinder that ion-exchange, the smart filtrate input that obtains after distillation dehydration, again essence filter contain solid fraction; The elementary reworked material input regeneration mortar Mixer pot obtained after stirring; Then satisfactory regeneration mortar is obtained by carrying out stirring in new mortar input regeneration mortar Mixer pot.Solar silicon wafers cutting mortar online recycling technique of the present invention, the cheap and environmental protection of cost recovery, water saving.
Description
Technical field
The present invention relates to a kind of mortar recovery process, especially relate to a kind of technique for carrying out online recycling recycling to the waste mortar in sun power cutting technique, belong to solar energy industry technical field.
Background technology
At present, in the production process of solar panel, for reducing costs, water saving, need to recycle silicon chip cutting mortar in sun power production process, as the one " Environment-friendlymortar mortar recovery process " that Chinese patent 201210272540.6 is announced, it can by waste mortar recycling, but need first the waste slurry of solar silicon wafers cleavable site to be collected, recycling place is transported to concentrated after collection, the mortar recycled is transported solar silicon wafers cleavable site again back and is carried out recycle, need the logistics cost of at substantial thus, and corresponding manpower, virtually add the production cost of enterprise.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, a kind of solar silicon wafers cutting mortar online recycling technique that effectively can reduce production cost is provided.
The object of the present invention is achieved like this: a kind of solar silicon wafers cutting mortar online recycling technique, and described technique includes following steps:
The filling of step 1, magma and stirring: the waste mortar after being used by silicon chip cutter and magma extract unified collection out, and the magma gathered is quantitatively transferred in magma a mixing bowl stirs, simultaneously in smart filtrate tanks by magma once quantitatively 0.5 ~ 1 times of input cutting stoste of operational throughput use smart filtrate as startup, in the process stirred, utilize smart filtrate in smart filtrate tanks by the allotment of magma density to 1.5 ~ 1.7kg/l;
As by pneumatic diaphragm pump by magma by 4(cubic meter/batch) amount be delivered to magma a mixing bowl, the so disposable cutting stoste (the new product cutting liquid that namely silicon chip cutter is used or qualified recovery cutting liquid) dropping into 2 ~ 4 cubic metres in smart filtrate tanks, this input is disposable, and the later stage is without the need to again dropping into;
Step 2, allotment: through stirring density be 1.5 ~ 1.7kg/l magma in by volume pump by 1 ‰ ~ 5 ‰ proportion charging high efficiency separation auxiliary agent, this auxiliary agent is formed primarily of high molecular polymer, tensio-active agent and dispersion agent, improved the dispersing property of silicon powder particle in magma by this auxiliary agent, reduce the adsorptive power of SIC particle surface silica flour;
Step 3, stirring: fully stir the magma adding high efficiency separation auxiliary agent, churning time was guaranteed more than 1 hour.
Step 4, allotment magma step 3 obtained inject heat exchange system by hose pump;
Step 5, the magma input horizontal spiral discharge sedimentation centrifuge meeting processing requirement temperature step 4 obtained, be separated and obtain solid fraction and liquid phase part;
Step 6, allocated with the smart filtrate in smart filtrate tanks by the solid fraction obtained by step 5, density targets value is 1.5 ~ 1.7kg/l again;
Step 7, mortar step 6 obtained inject heat exchange system by hose pump;
Step 8, the mortar input horizontal spiral discharge sedimentation centrifuge meeting processing requirement temperature step 7 obtained, be separated and obtain solid fraction and liquid phase part;
Step 9, the solid fraction obtained by step 8 is delivered to transferring cylinder by surge pump;
Step 10, the liquid phase part unified input liquid storage transferring cylinder that step 5 and step 8 are obtained;
Step 11, the liquid in liquid storage transferring cylinder is added the efficient press filtration auxiliary agent that a kind of major ingredient is silicon-dioxide, this auxiliary agent has special hole and contour structures, thus has very high filter effect; Interpolation usage quantity is 1 ~ 10kg/m
3, stir;
Step 12, the liquid phase part stirred in step 11 is delivered into Filter Press by impeller pump;
Step 13, the clarified liq obtained through Filter Press is delivered to clear liquor storage tank;
Step 14, the clear liquor in clear liquor storage tank is injected smart filtrate tanks by impeller pump, obtain smart filtrate;
Step 15, smart filtrate is added deionized water and stirring between processing requirement ratio 1:1 to 1:1.1;
Step 16, in the filtrate adding deionized water, add gac decolour;
Step 17, the filtrate of decolouring is carried out press filtration obtain clear, colorless clear filtrate;
Step 18, water white transparency filtrate press filtration obtained are processed by ion exchanger;
Step 19, the purification liquid obtained through ion exchange treatment is carried out distillation dehydration process;
Step 20, the liquid through distillation dehydration process is obtained smart filtrate by secondary filter filtration treatment;
Step 21, the smart filtrate in step 20 to be allocated by the transferring cylinder in volume pump implantation step 10, control density range (according to cutting technique setting exact value) between 1.630 ~ 1.660kg/l by the on-line monitoring of proportion under meter in this process and obtain online recycling mortar;
Step 22, online recycling mortar is delivered to regeneration mortar Mixer pot by pneumatic diaphragm pump;
Step 23, preprepared sand and liquid pressed slice process density setting configuration, stir and obtain new mortar after 6 hours, by volume pump new mortar is delivered to the regeneration mortar Mixer pot in step 22 in technique initialization ratio, through fully stirring the regeneration mortar obtaining meeting the requirements of the customers;
Step 24, the satisfactory regeneration mortar obtained are quantitatively transferred to slicing machine circulation cutting by customer by the mode of Weighing and utilize.
Compared with prior art, the invention has the beneficial effects as follows:
Present invention process is simple, easy to operate, by online Recycle design, without the need to the logistics transportation cost of at substantial, greatly reduces the production cost of solar panel manufacturing enterprise.
Embodiment
A kind of solar silicon wafers cutting mortar online recycling technique that the present invention relates to, described technique includes following steps:
The filling of step 1, magma and stirring: the waste mortar after being used by silicon chip cutter and magma extract unified collection out, and the magma gathered is quantitatively transferred in magma a mixing bowl stirs, simultaneously in smart filtrate tanks by magma once quantitatively 0.5 ~ 1 times of input cutting stoste of operational throughput use smart filtrate as startup, in the process stirred, utilize smart filtrate in smart filtrate tanks by the allotment of magma density to 1.5 ~ 1.7kg/l;
As by pneumatic diaphragm pump by magma by 4(cubic meter/batch) amount be delivered to magma a mixing bowl, the so disposable cutting stoste (the new product cutting liquid that namely silicon chip cutter is used or qualified recovery cutting liquid) dropping into 2 ~ 4 cubic metres in smart filtrate tanks, this input is disposable, and the later stage is without the need to again dropping into;
Step 2, allotment: through stirring density be 1.5 ~ 1.7kg/l magma in by volume pump by 1 ‰ ~ 5 ‰ proportion charging high efficiency separation auxiliary agent, this auxiliary agent is formed primarily of high molecular polymer, tensio-active agent and dispersion agent, improved the dispersing property of silicon powder particle in magma by this auxiliary agent, reduce the adsorptive power of SIC particle surface silica flour;
Step 3, stirring: fully stir the magma adding high efficiency separation auxiliary agent, churning time was guaranteed more than 1 hour.
Step 4, allotment magma step 3 obtained inject heat exchange system by hose pump;
Step 5, the magma input horizontal spiral discharge sedimentation centrifuge meeting processing requirement temperature step 4 obtained, be separated and obtain solid fraction and liquid phase part;
Step 6, allocated with the smart filtrate in smart filtrate tanks by the solid fraction obtained by step 5, density targets value is 1.5 ~ 1.7kg/l again;
Step 7, mortar step 6 obtained inject heat exchange system by hose pump;
Step 8, the mortar input horizontal spiral discharge sedimentation centrifuge meeting processing requirement temperature step 7 obtained, be separated and obtain solid fraction and liquid phase part;
Step 9, the solid fraction obtained by step 8 is delivered to transferring cylinder by surge pump;
Step 10, the liquid phase part unified input liquid storage transferring cylinder that step 5 and step 8 are obtained;
Step 11, the liquid in liquid storage transferring cylinder is added the efficient press filtration auxiliary agent that a kind of major ingredient is silicon-dioxide, this auxiliary agent has special hole and contour structures, thus has very high filter effect; Interpolation usage quantity is 1 ~ 10kg/m
3, stir;
Step 12, the liquid phase part stirred in step 11 is delivered into Filter Press by impeller pump;
Step 13, the clarified liq obtained through Filter Press is delivered to clear liquor storage tank;
Step 14, the clear liquor in clear liquor storage tank is injected smart filtrate tanks by impeller pump, obtain smart filtrate;
Step 15, smart filtrate is added deionized water and stirring between processing requirement ratio 1:1 to 1:1.1;
Step 16, in the filtrate adding deionized water, add gac decolour;
Step 17, the filtrate of decolouring is carried out press filtration obtain clear, colorless clear filtrate;
Step 18, water white transparency filtrate press filtration obtained are processed by ion exchanger;
Step 19, the purification liquid obtained through ion exchange treatment is carried out distillation dehydration process;
Step 20, the liquid through distillation dehydration process is obtained smart filtrate by secondary filter filtration treatment;
Step 21, the smart filtrate in step 20 to be allocated by the transferring cylinder in volume pump implantation step 10, control density range (according to cutting technique setting exact value) between 1.630 ~ 1.660kg/l by the on-line monitoring of proportion under meter in this process and obtain online recycling mortar;
Step 22, online recycling mortar is delivered to regeneration mortar Mixer pot by pneumatic diaphragm pump;
Step 23, preprepared sand and liquid pressed slice process density setting configuration, stir and obtain new mortar after 6 hours, by volume pump new mortar is delivered to the regeneration mortar Mixer pot in step 22 in technique initialization ratio, through fully stirring the regeneration mortar obtaining meeting the requirements of the customers;
Step 24, the satisfactory regeneration mortar obtained are quantitatively transferred to slicing machine circulation cutting by customer by the mode of Weighing and utilize.
Claims (3)
1. a solar silicon wafers cutting mortar online recycling technique, is characterized in that: described technique includes following steps:
The filling of step 1, magma and stirring: the waste mortar after being used by silicon chip cutter and magma extract unified collection out, and the magma gathered is quantitatively transferred in magma a mixing bowl stirs, simultaneously in smart filtrate tanks by magma once quantitatively 0.5 ~ 1 times of input cutting stoste of operational throughput use smart filtrate as startup, in the process stirred, utilize smart filtrate in smart filtrate tanks by the allotment of magma density to 1.5 ~ 1.7kg/l;
Step 2, allotment: through stirring density be 1.5 ~ 1.7kg/l magma in by volume pump by 1 ‰ ~ 5 ‰ proportion charging sepa-ration aid;
Step 3, stirring: fully stir the magma adding high efficiency separation auxiliary agent, churning time is guaranteed more than 1 hour;
Step 4, allotment magma step 3 obtained inject heat exchange system by hose pump;
Step 5, the magma input horizontal spiral discharge sedimentation centrifuge meeting processing requirement temperature step 4 obtained, be separated and obtain solid fraction and liquid phase part;
Step 6, allocated with the smart filtrate in smart filtrate tanks by the solid fraction obtained by step 5, density targets value is 1.5 ~ 1.7kg/l again;
Step 7, mortar step 6 obtained inject heat exchange system by hose pump;
Step 8, the mortar input horizontal spiral discharge sedimentation centrifuge meeting processing requirement temperature step 7 obtained, be separated and obtain solid fraction and liquid phase part;
Step 9, the solid fraction obtained by step 8 is delivered to transferring cylinder by surge pump;
Step 10, the liquid phase part unified input liquid storage transferring cylinder that step 5 and step 8 are obtained;
Step 11, the liquid in liquid storage transferring cylinder is added press filtration auxiliary agent;
Step 12, the liquid phase part stirred in step 11 is delivered into Filter Press by impeller pump;
Step 13, the clarified liq obtained through Filter Press is delivered to clear liquor storage tank;
Step 14, the clear liquor in clear liquor storage tank is injected smart filtrate tanks by impeller pump, obtain smart filtrate;
Step 15, smart filtrate is added deionized water and stirring between processing requirement ratio 1:1 to 1:1.1;
Step 16, in the filtrate adding deionized water, add gac decolour;
Step 17, the filtrate of decolouring is carried out press filtration obtain clear, colorless clear filtrate;
Step 18, water white transparency filtrate press filtration obtained are processed by ion exchanger;
Step 19, the purification liquid obtained through ion exchange treatment is carried out distillation dehydration process;
Step 20, the liquid through distillation dehydration process is obtained smart filtrate by secondary filter filtration treatment;
Step 21, the smart filtrate in step 20 to be allocated by the transferring cylinder in volume pump implantation step 10, control density range by the on-line monitoring of proportion under meter in this process between 1.630 ~ 1.660kg/l, obtain online recycling mortar;
Step 22, online recycling mortar is delivered to regeneration mortar Mixer pot by pneumatic diaphragm pump;
Step 23, the regeneration mortar Mixer pot be delivered to by volume pump by preprepared new mortar in step 22, through fully stirring the regeneration mortar obtaining meeting the requirements of the customers;
Step 24, the satisfactory regeneration mortar obtained are quantitatively transferred to slicing machine circulation cutting by customer by the mode of Weighing and utilize.
2. a kind of solar silicon wafers cutting mortar online recycling technique as claimed in claim 1, is characterized in that: described sepa-ration aid is made up of high molecular polymer, tensio-active agent and dispersion agent.
3. a kind of solar silicon wafers cutting mortar online recycling technique as claimed in claim 1, it is characterized in that: the composition of the press filtration auxiliary agent added in described step 11 includes silicon-dioxide, interpolation usage quantity is 1 ~ 10kg/m
3.
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|---|---|---|---|
| CN201410253489.3A CN104046504B (en) | 2014-06-10 | 2014-06-10 | Solar silicon wafers cutting mortar online recycling technique |
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| CN104046504B true CN104046504B (en) | 2016-03-09 |
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| CN106010764A (en) * | 2016-05-19 | 2016-10-12 | 苏州晶樱光电科技有限公司 | Method for recovering mortar during silicon wafer cutting |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352281A (en) * | 2011-09-02 | 2012-02-15 | 江苏灵宏机电工程有限公司 | Method of recycling polyethylene glycol and silicon carbide granules from silicon chip cutting waste mortar |
| CN102925276A (en) * | 2012-11-15 | 2013-02-13 | 晶科能源有限公司 | Recovery method of slurry |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101333966B1 (en) * | 2011-11-30 | 2013-11-27 | 오씨아이 주식회사 | High efficiency recycling method and system for sawing liquid in waste sludge formed by semiconductor and solar cell wafer using membrane process |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352281A (en) * | 2011-09-02 | 2012-02-15 | 江苏灵宏机电工程有限公司 | Method of recycling polyethylene glycol and silicon carbide granules from silicon chip cutting waste mortar |
| CN102925276A (en) * | 2012-11-15 | 2013-02-13 | 晶科能源有限公司 | Recovery method of slurry |
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Granted publication date: 20160309 Termination date: 20200610 |